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redlicoricestix
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EDIT: 255*3=765 sorry typo :P
So here is the 8x8 chessboard with the given info filled in 1 2 4 8 16 32 64 128 3 9 27 81 243 729 2187 Add up the first row, you get 255. (1+2+4+...+128) If you multiply out the second row and add it up, it equals 765. (3+6+12+...+384) Notice that
